KR930005043Y1 - 감열식 유량센서 - Google Patents

감열식 유량센서 Download PDF

Info

Publication number
KR930005043Y1
KR930005043Y1 KR2019900017334U KR900017334U KR930005043Y1 KR 930005043 Y1 KR930005043 Y1 KR 930005043Y1 KR 2019900017334 U KR2019900017334 U KR 2019900017334U KR 900017334 U KR900017334 U KR 900017334U KR 930005043 Y1 KR930005043 Y1 KR 930005043Y1
Authority
KR
South Korea
Prior art keywords
thermosensitive resistor
thermosensitive
flow sensor
resistor
fluid
Prior art date
Application number
KR2019900017334U
Other languages
English (en)
Korean (ko)
Other versions
KR910012243U (ko
Inventor
시찌로 오다니
Original Assignee
미쯔비시 덴끼 가부시끼가이샤
시끼 모리야
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 미쯔비시 덴끼 가부시끼가이샤, 시끼 모리야 filed Critical 미쯔비시 덴끼 가부시끼가이샤
Publication of KR910012243U publication Critical patent/KR910012243U/ko
Application granted granted Critical
Publication of KR930005043Y1 publication Critical patent/KR930005043Y1/ko

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696Circuits therefor, e.g. constant-current flow meters
    • G01F1/698Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
KR2019900017334U 1989-12-18 1990-11-13 감열식 유량센서 KR930005043Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1989146141U JP2524144Y2 (ja) 1989-12-18 1989-12-18 感熱式流量センサ
JP146,141 1989-12-18

Publications (2)

Publication Number Publication Date
KR910012243U KR910012243U (ko) 1991-07-30
KR930005043Y1 true KR930005043Y1 (ko) 1993-07-29

Family

ID=15401071

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900017334U KR930005043Y1 (ko) 1989-12-18 1990-11-13 감열식 유량센서

Country Status (4)

Country Link
US (1) US5163322A (xx)
JP (1) JP2524144Y2 (xx)
KR (1) KR930005043Y1 (xx)
DE (1) DE4040375C2 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE36489E (en) * 1994-04-06 2000-01-11 Janos Technology Inc. Spectral analyzer with new high efficiency collection optics and method of using same
DE10027831C2 (de) * 2000-06-05 2002-08-01 Siemens Ag Massenstrommesser
TWI220540B (en) * 2003-07-18 2004-08-21 Au Optronics Corp Buffer of pressure gauge sensor used in dry etching reaction chamber
US7905153B2 (en) * 2009-04-24 2011-03-15 Mann+Hummel Gmbh Flow vortex suppression apparatus for a mass air flow sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687130A (en) * 1969-11-26 1972-08-29 Pelam Inc Instrument to measure pulmonary function
EP0008185B1 (en) * 1978-08-05 1983-06-08 Nissan Motor Co., Ltd. Flowmeter of hot wire type
DE2934137C2 (de) * 1978-08-25 1985-05-15 Nissan Motor Co., Ltd., Yokohama, Kanagawa Strömungsmeßanordnung zum Messen einer Strömungsmenge in einem rohrförmigen Kanal
DE3009382A1 (de) * 1980-03-12 1981-09-24 Degussa Ag, 6000 Frankfurt Vorrichtung zur messung der stroemungsgeschwindigkeiten von gasen und fluessigkeiten
US4433576A (en) * 1982-09-20 1984-02-28 General Motors Corporation Mass airflow sensor
JPH0346199Y2 (xx) * 1985-04-18 1991-09-30
JPS62232517A (ja) * 1986-04-02 1987-10-13 Hitachi Ltd 熱線式空気流量計
DE3855552T2 (de) * 1987-10-23 1997-02-20 Hitachi Ltd Heissdraht-Luftdurchflussmesser und dessen Verwendung in einer Brennkraftmaschine

Also Published As

Publication number Publication date
JPH0383825U (xx) 1991-08-26
DE4040375A1 (de) 1991-06-27
DE4040375C2 (de) 1996-10-24
KR910012243U (ko) 1991-07-30
JP2524144Y2 (ja) 1997-01-29
US5163322A (en) 1992-11-17

Similar Documents

Publication Publication Date Title
US5050429A (en) Microbridge flow sensor
KR100251025B1 (ko) 유량검출장치
US4403506A (en) Apparatus for the measurement of the mass of a flowing medium
US9696191B2 (en) Thermal, flow measuring device
JP2631481B2 (ja) 質量流量計とその計測方法
JPH0256611B2 (xx)
EP0467430A1 (en) Thermal type flowmeter
JPS64651B2 (xx)
US5319971A (en) Measuring element for determining a flow rate of a flowing medium
KR930005043Y1 (ko) 감열식 유량센서
GB2138566A (en) Thermal mass flow sensor for fluids
EP0453720A2 (en) Mass flow sensor having wide dynamic range
GB2143951A (en) Flow rate measuring means
US6170327B1 (en) Air mass meter
US4425792A (en) Apparatus for measuring a fluid flow rate
US5105660A (en) Intake air quantity measuring apparatus
EP0452134A2 (en) Diaphragm-type sensor
US4587844A (en) Flow rate meter
EP0354649A2 (en) Close-coupled mass airflow meter and throttle plate assembly
US4485680A (en) Flow velocity measuring apparatus
JPH0466819A (ja) 大流量質量流量計
US5361634A (en) Heat-sensitive flow rate sensor
US6250150B1 (en) Sensor employing heating element with low density at the center and high density at the end thereof
US5351537A (en) Heat-sensitive flow rate sensor having a longitudinal wiring pattern for uniform temperature distribution
US11802784B1 (en) Single heater MEMS-CMOS based flow sensor

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20050722

Year of fee payment: 13

EXPY Expiration of term